kiji-model-repository: KIJIREPO-38. Reflect class name changes.

issue: https://jira.kiji.org/browse/KIJIREPO-38
review: https://review.kiji.org/r/1377
commit: https://github.com/kijiproject/kiji-model-repository/commit/c0245adf323bc76022d44d2bc61ae4ee799b63c3